Online Calculator — All our time calculation tools

Choose the calculator that suits your needs. All our time calculators are free, require no registration, and run directly in your browser.

Calculate your daily and weekly working hours with break management and overtime.

Add, subtract and convert hours in decimal and centesimal format.

Calculate the duration between two times or add durations easily.

The modern alternative to Calculette Mauricette for calculating your working hours.

Plan your weekly schedule and view your total hours per week.

Calculate the time difference between two times, even across midnight.

Calculate your overtime with French legal premiums (+25% and +50%).